ATI LPN
PN ATI Comprehensive Predictor
1. What are the primary causes of respiratory acidosis?
- A. Hypoventilation and lung disease
- B. Hyperventilation and pneumonia
- C. Increased oxygen saturation and tachypnea
- D. Dehydration and hypoxia
Correct answer: A
Rationale: The correct answer is A: Hypoventilation and lung disease. Respiratory acidosis occurs when there is an accumulation of CO2 in the body due to inadequate ventilation. Hypoventilation, which reduces the elimination of CO2, and lung diseases that impair gas exchange are the primary causes. Choice B is incorrect because hyperventilation, not hypoventilation, leads to respiratory alkalosis, not acidosis. Choice C is incorrect because increased oxygen saturation and tachypnea do not directly cause respiratory acidosis. Choice D is incorrect as dehydration and hypoxia do not typically lead to respiratory acidosis.
2. A nurse is preparing to administer medications to a client who is NPO and is receiving enteral feedings through an NG tube. Which of the following prescriptions should the nurse clarify with the provider?
- A. Metoprolol ER 50 mg via NG tube BID
- B. Acetaminophen 650 mg PO BID
- C. Lisinopril 10 mg PO daily
- D. Ondansetron 4 mg IV push PRN
Correct answer: B
Rationale: The nurse should clarify prescription B, Acetaminophen 650 mg PO BID, with the provider. When a patient is NPO and receiving enteral feedings through an NG tube, medications administered orally may be contraindicated due to the risk of aspiration. Therefore, Acetaminophen should be confirmed for safety in this situation. The other options (Metoprolol ER 50 mg via NG tube BID, Lisinopril 10 mg PO daily, Ondansetron 4 mg IV push PRN) are appropriate and do not need clarification in this scenario.
3. Which of the following interventions should the nurse implement for a client with hyperkalemia?
- A. Administer calcium gluconate
- B. Increase fluid intake to promote potassium excretion
- C. Administer a diuretic
- D. Administer sodium bicarbonate
Correct answer: A
Rationale: The correct intervention for a client with hyperkalemia is to administer calcium gluconate. Calcium gluconate helps counteract the effects of hyperkalemia by stabilizing the cardiac cell membrane. Increasing fluid intake (Choice B) may not effectively lower potassium levels. Administering a diuretic (Choice C) or sodium bicarbonate (Choice D) is not the primary treatment for hyperkalemia and may not address the immediate need to lower potassium levels.
4. When a client with dementia frequently becomes agitated, what should the nurse prioritize investigating?
- A. Fluid and electrolyte imbalances
- B. Medication history
- C. Environmental factors
- D. Cognitive functioning
Correct answer: B
Rationale: The correct answer is to prioritize investigating the client's medication history. This is important because certain medications can contribute to agitation in clients with dementia. Understanding the medication history can help identify potential causes of agitation and guide appropriate interventions. Checking for fluid and electrolyte imbalances is important in healthcare but may not directly relate to the client's agitation. While environmental factors can influence behavior, investigating the medication history is more pertinent in this case. Cognitive functioning assessment is crucial in dementia care but may not be the priority when addressing acute agitation.
5. A charge nurse is observing a newly licensed nurse apply sterile gloves. Which of the following actions by the newly licensed nurse demonstrates sterile technique?
- A. Putting a glove on the dominant hand first
- B. Removing gloves and putting on a sterile gown first
- C. Putting sterile gloves last
- D. Applying gloves without touching outer surfaces
Correct answer: A
Rationale: The correct answer is A. Putting the glove on the dominant hand first is a key step in maintaining sterile technique as it reduces the risk of contamination. By covering the dominant hand first, the nurse minimizes the risk of contaminating the other hand during the glove application process. Choices B, C, and D are incorrect. Choice B introduces the concept of a sterile gown, which is not relevant to the question about applying sterile gloves. Choice C is incorrect as putting sterile gloves last does not follow the correct sequence of steps in maintaining sterility. Choice D, while important, is not as critical as covering the dominant hand first when applying sterile gloves.
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